"contortion" in the noun sense
1. contortion, deformation
the act of twisting or deforming the shape of something (e.g., yourself)
2. tortuosity, tortuousness, torsion, contortion, crookedness
a tortuous and twisted shape or position
"they built a tree house in the tortuosities of its boughs"
"the acrobat performed incredible contortions"
Source: WordNet® (An amazing lexical database of English)
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